11271820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{80513}}^1$

素因数の和:80529

約数の個数: 24

約数和(自身を含む): 27052704

約数和(自身を除く): 15780884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 80513, 161026, 322052, 402565, 563591, 805130, 1127182, 1610260, 2254364, 2817955, 5635910, 11271820]

約数ペア:

[(1, 11271820), (2, 5635910), (4, 2817955), (5, 2254364), (7, 1610260), (10, 1127182), (14, 805130), (20, 563591), (28, 402565), (35, 322052), (70, 161026), (140, 80513)]